Type: Genuine
Brand: MERCURY MARINE
Description: UPPER GEAR KIT
Mercury P/N: 43-75325A3
Application:
17‑19 teeth, 1.84/1.81 ratio
Fits MC‑I, R, MR, Alpha One & Gen II (s/n 0K999999 and below) (1976‑1997).
If you are unsure of the application, please enter the make, model and serial number information in the comments section of the checkout.